HK167396A - Respiratory mask having a rigid or semi-rigid insert-molded filtration element and method of making - Google Patents

Respiratory mask having a rigid or semi-rigid insert-molded filtration element and method of making

Info

Publication number
HK167396A
HK167396A HK167396A HK167396A HK167396A HK 167396 A HK167396 A HK 167396A HK 167396 A HK167396 A HK 167396A HK 167396 A HK167396 A HK 167396A HK 167396 A HK167396 A HK 167396A
Authority
HK
Hong Kong
Prior art keywords
rigid
semi
making
respiratory mask
filtration element
Prior art date
Application number
HK167396A
Inventor
David L Braun
Donald L Melvin
Original Assignee
Minnesota Mining & Mfg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of HK167396A publication Critical patent/HK167396A/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02—Masks
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02—Masks
    • A62B18/025—Halfmasks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0605—Means for improving the adaptation of the mask to the patient
    • A61M16/0616—Means for improving the adaptation of the mask to the patient with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/105—Filters
    • A61M16/106—Filters in a path
    • A61M16/107—Filters in a path in the inspiratory path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2207/00—Methods of manufacture, assembly or production
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/48—Wearing apparel
    • B29L2031/4807—Headwear
    • B29L2031/4835—Masks
HK167396A 1987-09-25 1996-09-05 Respiratory mask having a rigid or semi-rigid insert-molded filtration element and method of making HK167396A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/100,830 US4790306A (en) 1987-09-25 1987-09-25 Respiratory mask having a rigid or semi-rigid, insert-molded filtration element and method of making

Publications (1)

Publication Number Publication Date
HK167396A true HK167396A (en) 1996-09-13

Family

ID=22281757

Family Applications (1)

Application Number Title Priority Date Filing Date
HK167396A HK167396A (en) 1987-09-25 1996-09-05 Respiratory mask having a rigid or semi-rigid insert-molded filtration element and method of making

Country Status (11)

Country Link
US (1) US4790306A (en)
EP (1) EP0309277B1 (en)
JP (1) JP2781393B2 (en)
KR (1) KR960005821B1 (en)
AU (1) AU603249B2 (en)
BR (1) BR8804926A (en)
CA (1) CA1322969C (en)
DE (1) DE3852857T2 (en)
ES (1) ES2066788T3 (en)
HK (1) HK167396A (en)
MX (1) MX165087B (en)

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US6216693B1 (en) 1995-01-20 2001-04-17 3M Innovative Properties Company Respirator having a compressible press fir filter element
US5592937A (en) * 1995-06-07 1997-01-14 Mine Safety Appliances Company Respirator mask with stiffening elements
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Also Published As

Publication number Publication date
EP0309277B1 (en) 1995-01-25
BR8804926A (en) 1989-05-02
US4790306A (en) 1988-12-13
AU2116088A (en) 1989-04-06
DE3852857T2 (en) 1995-08-10
JP2781393B2 (en) 1998-07-30
MX165087B (en) 1992-10-21
KR890004740A (en) 1989-05-09
JPH01107776A (en) 1989-04-25
AU603249B2 (en) 1990-11-08
EP0309277A3 (en) 1990-12-05
KR960005821B1 (en) 1996-05-01
ES2066788T3 (en) 1995-03-16
EP0309277A2 (en) 1989-03-29
DE3852857D1 (en) 1995-03-09
CA1322969C (en) 1993-10-12

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